Home / 49,935.09-74,902.83-12,495.05

Finding the Fourth Proportional to 49,935.09, 74,902.83 and 12,495.05

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Solution

The fourth proportional to 49,935.09, 74,902.83 and 12,495.05 is: 18,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.09 : 74,902.83 = 12,495.05 : x
  2. Step 2: Convert to fraction form
    49,935.09/74,902.83 = 12,495.05/x
  3. Step 3: Cross multiply
    49,935.09x = 74,902.83 × 12,495.05
  4. Step 4: Simplify right side
    49,935.09x = 935,914,676.17
  5. Step 5: Solve for x
    x = 935,914,676.17/49,935.09
  6. Step 6: Final answer
    x = 18,742.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.